;(function($){
	$.fn.extend({
		"alertHide":function(options){
			options = $.extend({
				width:"width",
				height:"height",
				},options);
				
			$("#center").animate({
					 width:options.width,
                    height:options.height,
					 },600,
					 function(){
		           $(this).css("display","none")
				   $("#mask").animate({
						   width:0,
						   height:0,
						   opacity:0
						   },600)
				   });
 
            return this;
			}
		})
	})(jQuery);
